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jidanni

Mapper since:
8. Mee 2009
Last map edit:
24. August 2025

Latest Diaries

Blog-Antrag When to flip north-south road names

North America has a lot of streets that go “straight north and south”. This presents a difficulty because once a road’s azimuth goes left of due n...

Comments 2 comments Datum 13. August 2023

Blog-Antrag International Boundary Line, Rainbow Bridge, Niagara Falls US/Canada

I made this “brilliant essay” about the US/Canada flag positions on Rainbow Bridge, Niagara Falls. What does it have to do with OpenStreetMaps? W...

Comments 0 comments Datum 5. November 2022

Blog-Antrag Most cellphone GPS traces will pollute OSM

Here we see that most of today’s cellphones’ GPS traces are “all over the parking lot,” thus will degrade the quality of OSM when making a map from...

Comments 1 comment Datum 14. September 2021

Blog-Antrag GitHub's backward blocking causes conflict aggravation

GitHub is great, but note, if you block somebody on GitHub, they won’t get (your) notifications: @holmes: any final opinions? Alas, holmes wo...

Comments 10 comments Datum 22. Juli 2020